MedicalTerminology DB

Meaning of Kras gene: A gene that may cause cancer when it is mutated (changed).

Definition of Kras gene

A gene that may cause cancer when it is mutated (changed). The Kras gene makes the KRAS protein, which is involved in cell signaling pathways, cell growth, and apoptosis (cell death). Agents that block the activity of the mutated Kras gene or its protein may stop the growth of cancer. Also called K-ras gene.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.